Zoo Boo

Through Oct. 30

Updated this year to become a daytime event, this family-friendly fest offers the chance to dress up and trick-or-treat among the animals. There's also a hay maze, pumpkin painting and Halloween games. Saturdays and Sundays, 9 a.m.-6 p.m.San Antonio Zoo, 3903 N. St. Mary’s St., 210-734-7184, sazoo.org

BOOtanica

Saturdays in Oct.

Celebrate fall each Saturday of the month with family activities in the 38-acre garden. Each week features a different theme, including Monarch butterflies, agriculture, bats, scarecrows, and Día de los Muertos. Saturdays, 10 a.m.-2 p.m. San Antonio Botanical Garden, 555 Funston Place, 210-536-1400, sabot.org

Muertosween Bash

Oct. 28

The McNay is mashing up Halloween and Dia de los Muertos traditions for an adults-only part that will include boo-zy drinks courtesy of Alamo Beer Co., snacks from Bakery Lorraine, a costume contest and music by a surprise DJ. Friday, Oct. 28, 7-10 p.m. McNay Art Museum, 6000 N. New Braunfels Ave., mcnayart.org

Alamo City Comic Con

Oct. 28-30

Karen Gillan, known as Amy Pond on Doctor Who, and Jon Bernthal, of The Walking Dead andDaredevil, are just a few of the stars who will be in attendance at this year’s Comic Con. Celebrate Halloween at one of the multiple costume contests and attend several panels, game tournaments and more. Friday, Oct. 28-Sunday, Oct. 30, various times.Henry B. Gonzalez Convention Center, 900 E. Market St., alamocitycomiccon.com

Bud Light Halloween Fest

Oct. 28

With ghoulish adult drinks, a costume contest, live music and a parade of professionally decorated river barges, this party proves Halloween isn’t just for kids. Friday, Oct. 28, 6-9:30 p.m. River Walk, 210-227-4262, thesanantonioriverwalk.com

HallowSeum

Oct. 29

Take the kids to wander through an enchanted hedge maze, or enjoy performances by magical fairy dancers, a magician and San Antonio College’s Onstage Drama Club. There’s also a musical instrument petting zoo and mask and face painting. Saturday, Oct. 29, 9 a.m.-4 p.m. The DoSeum, 2800 Broadway, 210-212-4453, thedoseum.com

Muertos Fest

Oct. 29-30

Enjoy live music throughout the weekend, including performances by Volcan and Grupo Frackaso on Saturday and Mexrrissey and Pochos Chidos on Sunday. There will also be art vendors, poetry readings, an altar building contest and a traditional Dia de los Muertos procession. Saturday, Oct. 29, 10 a.m.-11 p.m.; Sunday, Oct. 30, noon-10 p.m. Arneson River Theater, 418 Villita St., muertosfest.com

Halloween Spooktacular and Howl-O-Scream

Through Oct. 30

Enjoy kid-friendly shows, trick-or-treating and Halloween activities during the day. When the sun goes down (at 7 p.m.), the park transitions from haunted to horrifying. Hundreds of creatures roam the park as you ride roller coasters in the dark, try one of the signature Halloween bars and enjoy live entertainment. Weekends through Oct. 30. Sea World San Antonio, 10500 Sea World Drive, seaworldparks.com

Fright Fest

Through Oct. 30

During the day, kids of all ages can enjoy trick-or-treating with their favorite Looney Tunes characters. At night, tour the Torture Chamber and Buried Alive haunted houses plus multiple scare zones where witches and maniacal wolves lurk in the shadows. Weekends through Oct. 30. Six Flags Fiesta Texas, 17000 IH 10, sixflags.com

Halloween Boo Bash

Oct. 23

Dress up for the Bootastic Parade, enjoy performances from the Network for Young Artists and bring the kids for trick-or-treating, games and more. Sunday, Oct. 23, 12:30-4:30 p.m. Trader’s Village, 9333 SW Loop 410, 210-623-8383, tradersvillage.com